170081260661 has 8 divisors (see below), whose sum is σ = 183499294944. Its totient is φ = 156711063600.

The previous prime is 170081260633. The next prime is 170081260691. The reversal of 170081260661 is 166062180071.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-170081260661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170081260631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11951915 + ... + 11966136.

It is an arithmetic number, because the mean of its divisors is an integer number (22937411868).

Almost surely, 2^170081260661 is an apocalyptic number.

It is an amenable number.

170081260661 is a deficient number, since it is larger than the sum of its proper divisors (13418034283).

170081260661 is a wasteful number, since it uses less digits than its factorization.

170081260661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23918611.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 170081260661 in words is "one hundred seventy billion, eighty-one million, two hundred sixty thousand, six hundred sixty-one".